When should I plant Hướng dương in Zone 11b?

Start Hướng dương seeds indoors around 25 Th12. Transplant outdoors after 22 Th1. Expect first harvest around 28 Th3.

What is the last frost date for Zone 11b?

The average last spring frost date for Zone 11b is 15 Th1. The first fall frost averages 31 Th12, giving a 350-day growing season.

Can I grow Hướng dương in Zone 11b?

Yes. Hướng dương needs 90 days to harvest. Zone 11b has a 350-day growing season, which is sufficient. You can plant up to 18 successions.

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🌻 Growing Hướng dương in Zone 11b

Zone 11b has a year-round growing season. Hướng dương can be planted almost any time with proper planning. Sương giá cuối: 15 Th1. Sương giá đầu: 31 Th12.

Planting Calendar

Indoor

Outdoor

Harvest

25 Th1231 Th12

Season: 15 Th1 – 31 Th12 (350 ngày) · Succession: plant every 2 weeks (up to 18x)

Vùng11b

Sương giá cuối15 Th1

Sương giá đầu31 Th12

Mùa vụ350 ngày

Thu hoạch90 ngày

Ánh sángNắng hoàn toàn

When to Plant Hướng dương in Zone 11b

Start Seeds Indoors: 25 Th12

Start Hướng dương seeds indoors around 25 Th12 (3 tuần trước sương giá cuối). Optimal germination temperature: 75F. Germinates in 7-14 days.

Transplant Outdoors: 22 Th1

Transplant Hướng dương seedlings outdoors after 22 Th1. Wait until soil temperature reaches 55F. Space plants at 1/m² (30cm khoảng cách). Harden off plants for a week before moving outside.

Harvest: 28 Th3

First harvest approximately 28 Th3 (~65 ngày from transplant). Continue harvesting until first frost (31 Th12).

Cây trồng đồng hành

✅ Dưa chuột✅ Bí ✅ Ngô✅ Đậu

❌ Khoai tây

Hướng dương in Other Zones

1a 1b 2a 2b 3a 3b 4a 4b 5a 5b 6a 6b 7a 7b 8a 8b 9a 9b 10a 10b 11a 11b 12a 12b 13a 13b

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